maple_tree: mas_parent_gap no longer updates limits

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 1d89ea6f0c295845f5d6c7485d60dcd8221f31ec..feb164fc770bd52e71bb1edd6025375302d0d5bb 100644 (file)
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1142,16 +1142,17 @@ static inline void mas_parent_gap(struct ma_state *mas, unsigned char slot,
 
 ascend:
        /* Go to the parent node. */
-       mas_ascend(&gaps);
+       gaps.node = mt_mk_node(mte_parent(gaps.node),
+                       mas_parent_enum(&gaps, gaps.node));
        old_max_gap = mas_max_gap(&gaps);
        mte_set_gap(gaps.node, slot, new);
-       new = mas_max_gap(&gaps);
+       if (mte_is_root(gaps.node))
+               return;
 
+       new = mas_max_gap(&gaps);
        if (new == old_max_gap)
                return;
 
-       if (mte_is_root(gaps.node))
-               return;
 
        slot = mte_parent_slot(gaps.node);
        goto ascend;